[jdk7u] RFR: 8285445: cannot open file "NUL:"

[Paul Hohensee]

On Wed, 29 Jun 2022 15:03:30 GMT, Olga Mikhaltsova <omikhaltcova at openjdk.org> wrote:

> I'd like to backport JDK-8285445 to jdk7u.
> 
> The patch applied not cleanly due to the directory structure differences:
> 1. `src/java.base/windows/classes/java/io/WinNTFileSystem.java`-> `jdk/src/windows/classes/java/io/Win32FileSystem.java`
> 2. `test/jdk/java/io/FileOutputStream/OpenNUL.java`-> `jdk/test/java/io/FileOutputStream/OpenNUL.java`
> 
> Tested manually as follow:
> `$JTREG_HOME/bin/jtreg -jdk:$BUILD_HOME /cygdrive/c/projects/jdk7u-fork/jdk/test/java/io/`
> No regression in the above tests' group.

Looks identical to the 8u backport. Lgtm.

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Marked as reviewed by phh (Reviewer).

PR: https://git.openjdk.org/jdk7u/pull/9